Dictyosphaeria cavernosa is hollow in contrast to its sister species D. versluysii of the same appearance which is solid.

[3] The sewage system had a huge role in the growth of the algae in Kaneohe Bay.

Dictyosphaeria cavernosa is usually found in the crevices of rock formations around rocky tidal pools.

[5] With a massive sewage discharge entering the ocean allowing the nutrients became a source for the green algae.

[5] Scientists have been studying the physical, biological, and chemical aspects of the reefs to find ways to reduce the growth of the algae.